Length of commutes to work of 32 people (in miles).
12????? 9??????? 7??????? 2??????? 8??????? 7??????? 3??????? 27
21????? 10????? 13????? 3??????? 7??????? 2??????? 30????? 7
6??????? 13????? 6??????? 14????? 4??????? 1??????? 10????? 3
13????? 6??????? 2??????? 9??????? 2??????? 12????? 16????? 18
Determine the minimum survey size n